308256-12-4Relevant articles and documents
Intramolecular [3+2]-hetero-annulation of allylsilanes with 1,3-cyclohexanediones and its application in the synthesis of hexacyclic hopane triterpenes
Schinzer,Muller,Fischer,Priess
, p. 1265 - 1268 (2007/10/03)
In this letter we describe the intramolecular [3+2]-hetero-annulation of allylsilanes with 1,3-cyclohexanediones followed by sila-Wagner-Meerwein shift. The new synthesis of the cyclization precursors offers the advantage to vary the silyl terminator at t